Boosting the electrochemical performance of Prussian-Blue-analogue based Li-ion rechargeable batteries by the addition of Ag or Ni nanoparticles into the cathode

Batsaikhan, Erdembayalag; Ma, Ma-Hsuan; Yang, Chun; Wu, Chun‐Ming; Li, Wen-Hsien

doi:10.1016/j.inoche.2023.110509

Cited by 3 publications

(3 citation statements)

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“…It is hence essential to use capping free metallic NPs for effective enhancement. Enhancement in storage capacity through the addition of Ag or Ni NPs has also been observed in K-CoCo-based and Na-CoFe-based cathodes [36]. Comparisons of the electrochemical data obtained in Ref.…”

Section: Discussionmentioning

confidence: 64%

“…Direct comparisons of the electrochemical data of the batteries reported in Ref [36]. and this work.…”

mentioning

confidence: 76%

“…One way to provide additional electrons to facilitate redox activity in the PBAs is through the incorporation of metallic nanoparticles, where surface electrons are weakly bonded to the NPs. Recently, we have demonstrated that the addition of bare Ag or Ni NPs into the vicinity of the nanosized K-CoCo or Na-CoFe particles can effectively improve the electrochemical performance of the batteries, leading toward a higher energy storage capacity [36]. In this study, we focus on the influence of particle size of the host Na-FeFe NPs in the cathode compact on the electrochemical performance of the batteries upon the addition of Ag or Ni NPs, and demonstrate that there is a critical Na-FeFe size to achieve the highest electrochemical energy storage efficiency.…”

Section: Introductionmentioning

confidence: 99%

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Advanced Prussian Blue Cathodes for Rechargeable Li-Ion Batteries

Wu,

Li,

Batsaikhan

et al. 2024

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Taking advantage of fact that the surface electrons of metallic nanoparticles (NPs) can be effectively released even at a low voltage bias, we demonstrate an improvement in the electrochemical performance of nanosized Prussian Blue (PB)-based secondary batteries through the incorporation of bare Ag or Ni NPs in the vicinity of the working PB NPs. It is found that the capacity for electrochemical energy storage of the 17 nm PB-based battery is significantly higher than the capacity of 10 nm PB-based, 35 nm PB-based or 46 nm PB-based batteries. There is a critical PB size for the highest electrochemical energy storage efficiency. The full specific capacity CF of the 17 nm PB-based battery stabilized to 62 mAh/g after 130 charge–discharge cycles at a working current of IW = 0.03 mA. The addition of 14 mass percent of Ag NPs in the vicinity of the PB NPs gave rise to a 32% increase in the stabilized CF. A 42% increase in the stabilized CF could be obtained with the addition of 14 mass percent of Ag NPs on the working electrode of the 35 nm PB-based battery. An enhancement in CF was also found for electrodes incorporating bare Ni NPs but the effect was smaller.

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